Consolidated Statements of Stockholders' Equity (USD $)	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2010	$ 14,425	$ 30,300,463	$ (10,091,167)	$ (448,024)	$ (5,845,174)	$ 13,930,523
Balance (in shares) at Dec. 31, 2010	14,425,185				1,974,377
Net income	0	0	1,048,157	0	0	1,048,157
Other comprehensive income (loss):
Foreign currency translation adjustment	0	0	0	(169,279)	0	(169,279)
Total comprehensive income						878,878
Common stock dividends paid	0	0	(497,585)	0	0	(497,585)
Stock-based compensation	0	169,413	0	0	0	169,413
Contribution of treasury shares to ESOP	0	(177,084)	0	0	302,084	125,000
Contribution of treasury shares to ESOP (in shares)	0				(104,167)
Common stock purchased for treasury	0	0	0	0	(120,378)	(120,378)
Common stock purchased for treasury (in shares)	0				70,871
Balance at Dec. 31, 2011	14,425	30,292,792	(9,540,595)	(617,303)	(5,663,468)	14,485,851
Balance (in shares) at Dec. 31, 2011	14,425,185				1,941,081
Net income	0	0	1,358,969	0	0	1,358,969
Other comprehensive income (loss):
Foreign currency translation adjustment	0	0	0	122,753	0	122,753
Total comprehensive income						1,481,722
Common stock dividends paid	0	0	(375,552)	0	0	(375,552)
Common stock issued to consultant	87	109,413	0	0	0	109,500
Common stock issued to consultant (in shares)	86,631				0
Stock-based compensation	0	102,465	0	0	0	102,465
Expired stock options & warrants: deferred tax effect	0	(276,023)	0	0	0	(276,023)
Contribution of treasury shares to ESOP	0	(153,846)	0	0	278,846	125,000
Contribution of treasury shares to ESOP (in shares)	0				(96,154)
Common stock purchased for treasury	0	0	0	0	(71,093)	(71,093)
Common stock purchased for treasury (in shares)	0				47,249
Balance at Dec. 31, 2012	$ 14,512	$ 30,074,801	$ (8,557,178)	$ (494,550)	$ (5,455,715)	$ 15,581,870
Balance (in shares) at Dec. 31, 2012	14,511,816				1,892,176